Socioeconomic and demographic characteristics of sickle cell disease patients from a low-income region of northeastern Brazil

Emergency Department Utilization by Pediatric Patients With Sickle Cell Disease in Basrah, Iraq

Background Patients with sickle cell disease (SCD) often present in the Emergency Department (ED) with acute and debilitating pain and other SCD-related complications. Objectives The objective is to analyze the causes of ED visits of pediatric patients with SCD, assess the burden of ED admission due to SCD in relation to other pediatric diseases, the treatment given, and the outcomes. Methods A prospective analytical study was conducted on children and adolescents with SCD, 1-14 years old who had been admitted to the ED at Basrah Maternity and Children Hospital over a six-month period. Patient's sociodemographic and clinical data, drug history, length of ED stay, complications, outcome, and readmissions were recorded.  Results A total of 422 patients with SCD were admitted to ED during the study period representing 4.10% of the total admitted cases; 276(65.40%) of them were recruited in this study, and their mean age was 7.84 ±3.47 years. The main cause for ED admission was pain (73.91%), followed by infection (10.14%) and hemolytic crisis (6.15%). The mean duration of stay at ED was 6.11±1.87 hours. All admitted SCD patients had received analgesia; non-steroidal anti-inflammatory drugs (NSAIDs) were the commonest (80.4%), followed by acetaminophen (39.5%), and opioid narcotic (18.5%). Readmission within 30-days was reported in 82(29.71%) patients and was associated with the number of ED visits/last year (B=0.151, P=0.023), length of stay at ED (B=0.140, P=0.034) and severe disease (B=0.253, P<0.001). Conclusions Acute painful episodes were the main cause of ED admission. Although most patients with pain did receive NSAIDs, only a small percentage of them did receive opioids. About one-third of patients have been readmitted within 30 days, and readmission was associated with the number of ED visits/last year, disease severity, and length of ED stay. These findings can help in establishing local guidelines for managing such patients in the ED especially pain management.

Real-world evidence of the burden of sickle cell disease: a 5-year longitudinal study at a Brazilian reference center

INTRODUCTION

Sickle cell disease (SCD) is an inherited and multisystem blood disorder characterized by hemolytic anemia, vaso-occlusive crises (VOCs), progressive multiorgan damage and increased mortality. In Brazil, it is one of the most common monogenic diseases afflicting 60,000 to 100,000 individuals, however, there are sparse epidemiological data, as well as information on the utilization of public healthcare resources.

METHOD

This was a 5-year (2016 - 2020) retrospective study conducted at one Brazilian reference center on SCD - Santa Casa de Sao Paulo, in Sao Paulo, Brazil.

RESULTS

Among a total of 100 eligible adult patients, the median age was 31.0 years old, 84% of the patients were aged between 18 and 45 years old; 59% were women and 91% presented the genotype HbSS. The number of hematologist and non-hematologist visits at the outpatient unit were 2,198 and 1,436, respectively. The number of hospital ER visits was 758, of which 51% required 864 days of hospitalization. The main cause for seeking hospital medical care was the VOCs. The numbers and ratios of VOCs were: 1 to 10 VOCs, 64%; 11 to 20, 15%, and; 21 or more, 1%. There was a statistically significant difference between the number of VOCs and hospitalizations, as well as infection.

CONCLUSION

Results indicate the burden of SCD on Brazilian patients' daily lives, the impact of VOCs on public healthcare resources, the importance of having a national surveillance program to improve resource utilization and clinical outcomes of patients with SCD and the urgent need for the revitalizing of the current national comprehensive SCD care programs.

A social profile of deaths related to sickle cell disease in India: a case for an ethical policy response

India accounts for 14.5 percent of the global SCD newborns, roughly over 42,000 a year, second to sub-Saharan Africa. Despite the availability of cheap diagnostic and treatment options, SCD remains a largely neglected disease within healthcare policy and practice. Epidemiological modeling based on small, often dated, regional studies (largely from sub-Saharan Africa) estimate that between 50 and 90 percent of affected children will/die before the age of 5 years. This premise, coupled with targets of reducing under 5 mortality (SDG 4), privileges public health interventions for screening and prevention of new births, undermining investments in long-term health and social care. This paper presents a retrospective, descriptive analysis of the socio-demographic profile of 447 patients diagnosed with sickle cell or sickle-beta thalassemia, who died following admission at a tertiary care entre in India. We used anonymized hospital records of 3,778 sickle cell patients, admitted in pediatric and adult/medical wards between January 2016 and February 2021. A majority of hospital deaths occurred in the second and third decades of life, following a hospital admission for a week. The overall mortality during 2016-2019 was 14% with little gender difference over time. Contrary to our expectations, the number of hospital deaths did not increase during the first year of the COVID-19 pandemic, between 2020 and 2021. The conclusion highlights the importance of longitudinal, socio-demo-graphic data on deaths as providing important insights for identifying ethical policy interventions focused on improving SCD outcomes over time, reducing inequities in access to care, and preventing what might be considered "excess" deaths.

Psycho-social challenges faced by caretakers of children and adolescents aged 0-19 years with sickle cell disease admitted in a tertiary hospital in Eastern Uganda

BACKGROUND

Families of children and adolescents living with sickle cell disease face several challenges ranging from psycho-social to social-economic challenges. This study aimed to explore psycho-social challenges experienced by caretakers of children and adolescents aged 0-19 years with SCD and the various coping mechanisms.

METHODS

A mixed-methods cross-sectional study was carried out among caregivers of children with SCD who were admitted to the pediatric wards of the Mbale Regional Referral Hospital from September 2019 to November 2019. A total of 333 participants were interviewed using a pretested questionnaire and 11 in-depth interviews were conducted.

RESULTS

Most participants 285(85.59%) reported that they experienced psychological challenges and almost all the participants in this study 297(89.19%) experienced social challenges during the care of their patients. Only 36(10.81%) reported not experiencing any social challenges. Almost all the participants reported coping with the situation in various ways of which, 296(88.89%) used acceptance, 9(2.7%) still lived in denial, while 9(2.7%) used talking with others and getting counseled to reduce the intensity of the feelings experienced. Three themes were generated from the in-depth interviews; knowledge of the child's health condition; common symptoms and care, the experience of psycho-social challenges, and coping strategies.

CONCLUSION

Sickle cell disease has affected two sets of people; the people living with the disease and those who are caring for their loved ones. Being conscious of this will help health practitioners to be more empathetic to patients and caregivers when treating people living with sickle cell disease. The biggest proportion of caretakers of children and adolescents 0-19 years experienced psycho-social challenges. The main coping strategy used by the caretakers was acceptance.

Sickle-Cell Disease and Stroke: Quality of Life of Patients in a Chronic Transfusion Regimen from the Caregivers' Perspective

Strokes affect up to 10% of children with sickle-cell disease (SCD). The most commonly used strategy to prevent a first-time stroke or its recurrence is to perform periodic red blood cell transfusions. This article aims to evaluate the quality of life (QoL) of children and adolescents with SCD undergoing a chronic transfusion regimen (CTR) for stroke prophylaxis, according to their caregivers' perception. A cross-sectional study was conducted using a sociodemographic interview with an application of a validated instrument (Pediatric Quality of Life Inventory) involving 16 caregivers of patients with SCD aged <18 years undergoing CTR in a reference center. The data were processed using STATA version 13.0. The caregivers were predominantly the mothers of the minors that were part of the study cohort (87.5%), an income of <2 minimum wages (81.2% of cases) and >8 years of schooling (56.2%). The patients had a mean age of 10.4 years, 68.8% were male, 75% were mixed-race and came from small towns and rural areas (68.8%). The overall mean QoL was 45.8 (95% confidence interval [CI] 42.5-49.2). Female patients and those aged <12 years had lower levels of overall QoL. The emotional dimension of the children was the least compromised as per the caregivers' perception. The mean QoL of children with SCD on a CTR is lower than the estimated global mean QoL reported in the literature. It is possible that the occurrence of a stroke enhances the caregivers' negative perceptions about the QoL of patients with SCD.

A systematic review on hydroxyurea therapy for sickle cell disease in India

Background & objectives

Sickle cell disease (SCD) constitutes frequently inherited haemoglobin disorders and poses a significant health burden in India. Hydroxyurea (HU), the most commonly used drug, has shown promising results in the clinical management of SCD. The present systematic review was undertaken to assess the efficacy and toxicity of HU in Indian sickle cell patients.

Methods

A systematic review of studies on HU therapy was conducted to identify the application of HU and its outcome(s) across India. PubMed, Scopus and Cochrane Library was used as data sources for various studies on the efficacy and toxicity of HU therapy for treatment for SCD in India published between January 2001 and October 2021. Two authors independently extracted the data on study design, patient characteristics and therapeutic outcomes of HU in order to determine the study quality of the present review.

Results

Overall, 14 studies were included for a systematic analysis. Of these 11 were prospective, two cross-sectional and one double-blind randomized controlled trial. Low-dose HU (10 mg/kg/day) was found to reduce the rates of vaso-occlusive crisis and hospitalization as well as decreased the requirement of blood transfusion in SCD patients. The foetal haemoglobin (HbF) level was recorded in 13 (80%) studies all of whom reported an elevation in the HbF levels, with a mean increase in per cent HbF from 15.8 to 21.4 per cent across studies. The common adverse events were reversible, mild-to-moderate cytopenia and anaemia.

Interpretation & conclusions

The findings of the present review suggest that there is still insufficient information presently to determine the long-term or major adverse effects on organ damage, fertility as well as pregnancy on the use of HU therapy for SCD. Long-term multi-centric studies are thus required to address these problems.

Transcranial doppler as screening method for sickling crises in children with sickle cell anemia: a latin America cohort study

Background

Sickle cell anemia (SCA) is the leading cause of childhood stroke. We aimed to evaluate whether altered cerebral flow velocities, as measured by transcranial Doppler (TCD), are associated with vaso-occlusive complications in addition to stroke in pediatric SCA patients.

Methods

We evaluated 37 children aged between 2 and 16 years with SCA who underwent screening for TCD between January 2012 and October 2018. Genotypic profiles and demographic data were collected, TCD examinations were performed during follow-up, and the presence of sickling crises was compared. Survival analyses were performed using simple frailty models, in which each predictor variable was analyzed separately in relation to the occurrence of a sickling crisis.

Results

The variables related to sickle cell crises in the univariate analysis were peak systolic velocity (PSV) in the middle cerebral artery (MCA), hazard ratio (HR) 1.01 (1.00—1.02) p = 0.04; end-diastolic velocity (EDV) in the MCA, HR 1.02 (1.01—1.04) p = 0.01; time average mean maximum velocity (TAMMV) in the basilar artery (BA), HR 1.02 (1.00—1.04) p = 0.04; hemoglobin, HR 0.49 (0.38—0.65) p < 0.001; hematocrit, HR 0.78 (0.71—0.85) p < 0.001; leukocyte counts, HR 1.1 (1.05—1.15) p < 0.001; platelets counts, HR 0.997 (0.994—0.999) p = 0.02; and reticulocyte numbers, HR 1.14 (1.06—1.23) p < 0.001.

Conclusions

Our results indicate PSV and EDV in the MCA and TAMMV in the BA as markers of risk for the occurrence of sickling crises in SCA.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12887-022-03429-5.

Strategies to increase access to basic sickle cell disease care in low- and middle-income countries

INTRODUCTION

Sickle cell disease (SCD) is the most common hemoglobinopathy in the world. Over 90% of those born with SCD live in low- and middle-income countries (LMICs), yet individuals in these settings have much poorer outcomes compared to those in high-income countries.

AREAS COVERED

This manuscript provides an in-depth review of the cornerstones of basic SCD care, the barriers to implementing these in LMICs, and strategies to increase access in these regions. Publications in English language, peer-reviewed, and edited from 2000 to 2021 were identified on PubMed. Google search was used for gray literature.

EXPERT OPINION

Outcomes for patients with SCD in high-income countries have improved over the last few decades due to the implementation of universal newborn screening programs and use of routine antimicrobial prophylaxis, increase in therapeutic and curative options, and the adoption of specific measures to decrease risk of stroke. This success has not translated to LMICs due to several reasons including resource constraints. A combination of several strategies is needed to increase access to basic SCD care for patients in these settings.

Establishing a Sickle Cell Disease Registry in Africa: Experience From the Sickle Pan-African Research Consortium, Kumasi-Ghana

Sickle cell disease (SCD) is the most common clinically significant hemoglobinopathy, characterized by painful episodes, anemia, high risk of infection, and other acute and chronic complications. In Africa, where the disease is most prevalent, large longitudinal data on patients and their outcomes are lacking. This article describes the experiences of the Kumasi Center for SCD at the Komfo Anokye Teaching Hospital (KCSCD-KATH), a Sickle Pan-African Research Consortium (SPARCO) site and a SickleInAfrica Consortium member, in establishing a SCD registry for the evaluation of the outcomes of patients. It also provides a report of a preliminary analysis of the data. The process of developing the registry database involved comprehensive review of the center's SCD patient medical records, incorporating data elements developed by the SickleInAfrica Consortium and obtaining ethical clearance from the local Institutional Review Board. From December 2017 to March 2020, 3,148 SCD patients were enrolled into the SCD registry. Enrollment was during the SCD outpatient clinic visits or through home visits. A significant proportion of the patients was from the newborn screening cohort (50.3%) and was males (52.9%). SCD-SS, SCD-SC, and Sβ ⁺thalassemia were seen in 67.2, 32.5, and 0.3% patients, respectively. The majority of the patients were in a steady state at enrollment; however, some were enrolled after discharge for an acute illness admission. The top two clinical diagnoses for SCD-SS patients were sickle cell painful events and acute anemia secondary to hyperhemolysis with incidence rates of 141.86 per 10,000 person months of observation (PMO) and 32.74 per 10,000 PMO, respectively. In SCD-SC patients, the top two diagnoses were sickle cell painful events and avascular necrosis with incidence rates of 203.09 per 10,000 PMO and 21.19 per 10,000 PMO, respectively. The SPARCO Kumasi site has developed skills and infrastructure to design, manage, and analyze data in the SCD registry. The newborn screening program and alternative recruitment methods such as radio announcement and home visits for defaulting patients were the key steps taken in enrolling patients into the registry. The registry will provide longitudinal data that will help improve knowledge of SCD in Ghana and Africa through research.

Hydroxyurea and blood transfusion therapy for Sickle cell disease in South Asia: inconsistent treatment of a neglected disease

Background

Hydroxyurea and blood transfusion therapies remain the main therapeutic strategies for Sickle cell disease. Preliminary data suggest substantial variation and inconsistencies in practice of these two therapeutic modalities in South Asia. In this systematic review we searched Medline, Cochrane library and Scopus for articles on usage of hydroxyurea and blood transfusion therapies for sickle cell disease in South Asia published in English between October 2005 and October 2020.

Results

We selected 41 papers: 33 from India, 3 from Sri Lanka, 2 each from Pakistan and Bangladesh and one from Nepal. Only 14 prospective trials focused on hydroxyurea therapy from which majority (n = 10; 71.4%) adopted fixed low dose (10 mg/kg/day) regimen. With hydroxyurea therapy, 12 and 9 studies reported significant reductions in vaso-occlusive crises and transfusion requirement respectively. Severe anaemia (haemoglobin level < 6–7 g/dl) was the commonest indicator (n = 8) for transfusion therapy followed by vaso-occlusive crisis.

Conclusions

Published data on the hydroxyurea and transfusion therapies in South Asia are limited and heterogeneous. A clear gap of knowledge exists about the nature of the sickle cell disease in the Indian subcontinent particularly from countries outside India necessitating further evidence-based assessments and interventions.

Quality of life of adolescents living with sickle cell anaemia in Ondo State, Nigeria

Introduction

This study assessed the level of knowledge and quality of life of adolescents living with sickle cell disease (SCD) and their quality of life.

Methods

This study utilized descriptive research design. The study was conducted in two secondary level hospitals with functional SCD clinic in Ondo State. One hundred and four (104) adolescents participated in the study. Their consents were sought and gained.

Results

Results showed that more males (63.5%) participated in the study. The mean age of the participants was 15.26±3.09 years. More than half (62.5%) of the participants that participated in the study had SCD crisis within six months. The mean SCD knowledge of participants in the study was 22.12±2.76, while 15.4% of the participants had good knowledge of SCD and Only 13(12.5%) have high quality of life. Also, the mean score of the participants on the quality of life scale was 39.50±6.47.

Conclusion

Knowledge of adolescents with SCD that participated in the study was relatively low and their quality of life moderate. Effort should therefore, geared towards improving their knowledge about SCD and providing supportive care that will improve their quality of life.

Socioeconomic status dependent medical complexities in children with sickle cell disease in Saudi Arabia

A look into the associations of socioeconomic status (SES) with prevalence of various complications in sickle cell disease (SCD) is necessary, for an improvement of societal norms, governmental health policies and strategies. We therefore studied the influence of SES indices on certain hematological and clinical parameters in children with SCD in Saudi Arabia. We included 32 female and 33 male patients aged 5–16 years, who were classified based upon their family income. Family monthly income was divided into 4 categories from lowest to highest, with socioeconomic class1 having low earnings of <5000 SAR; the middle income class divided further into class 2 with earnings >5000–10,000 SAR, and class 3 with earnings >10,000–15,000 SAR; and the higher income class 4 with earnings of >15,000 SAR. The assessment indices used were, the frequency of vaso-occlusive crisis (VOC), adverse events, and hematological parameters. A higher percentage of children affected with the disease were from class1, which is the low socio-economic class. It was found that the percentage of frequency of VOC pain crisis, and adverse events was higher in social class 1 patients than in the classes 2, 3, and 4. Also, the age group 5–10 years appeared more susceptible to adverse events and VOC. Our findings suggest the need to conduct future larger studies, to deduce the modifying influence of disparity in SES on certain clinical and hematological indices in children with SCD.

Prevalência da doença falciforme em adultos com diagnóstico tardio

Resumo Objetivo: Estimar a prevalência da doença falciforme em adultos com diagnóstico tardio, em tratamento nos ambulatórios de hematologia na rede de saúde do Estado do Mato Grosso do Sul de 2013 a 2017; descrever as características sociodemográficas; verificar associações entre os genótipos em relação a idade atual, os genótipos e a idade ao diagnóstico. Métodos: Estudo transversal, retrospectivo, com dados coletados em dois hospitais de ensino. As variáveis investigadas foram: ano do atendimento, genótipo, sexo, data de nascimento, idade ao diagnóstico, naturalidade e procedência. A prevalência foi estimada por ponto (%) e intervalo de confiança de 95%. Resultados: A prevalência foi 3,9%, com 103 adultos com doença falciforme, sendo 60 do sexo feminino e 43 do masculino. Predominou o genótipo HbSS, seguido pelo HbSC. A mediana de idade foi de 35 para os HbSS e 31 para os HbSC. A mediana de idade ao diagnóstico foi cinco anos para os HbSS e 21 para HbSC. Não houve associação entre idade (anos) dos pacientes e genótipo (teste Qui-quadrado p=0,601) e nem entre genótipo e faixa etária (teste Qui-quadrado p= 0,318). Conclusão: O genótipo mais frequente foi o HbSS, seguido pelo HbSC. O diagnóstico dos pacientes com SC foi mais tardio do que naqueles com genótipo SS. As variáveis sociodemográficas e o diagnóstico tardio alertam para a necessidade de fortalecimento de ações na rede de saúde, que interferem sensivelmente na morbimortalidade de adultos com Doença Falciforme.

SOCIOECONOMIC AND NUTRITIONAL CHARACTERISTICS OF CHILDREN AND ADOLESCENTS WITH SICKLE CELL ANEMIA: A SYSTEMATIC REVIEW

OBJECTIVE

To describe the socioeconomic and nutritional characteristics of children and adolescents with sickle cell anemia.

DATA SOURCES

The present study is a systematic literature review based on published scientific articles. The searches were carried out using the electronic database of the National Library of Medicine, National Institutes of Health- PubMed. Two searches of articles published in the last 20years and without limitation of language were carried out. Thefirst one started from the Medical Subject Headings term "Anemia, Sickle Cell" associated with "Socioeconomic Factors"; and the second started from the term "Anemia, Sickle Cell" associated with "Anthropometry". Thesearches were directed to research conducted on humans in the age group from 0 to 18years.

DATA SYNTHESIS

The final selection was composed by 11 articles on socioeconomic characteristics and 21articles on nutritional characteristics. Allstudies included children and adolescents with sickle cells disease (age range 0-18years), both genders, and most of them of black ethnicity. Families of children and adolescents with sickle cell anemia were of predominantly low socioeconomic status. Parents had lower educational levels when compared to parents of healthy children and adolescents. Body measurements (weight and height) and anthropometric indicators of children with sickle cell anemia were often lower when compared to healthy groups or reference populations.

CONCLUSIONS

Children and adolescents with sickle cell anemia have socioeconomic limitations and worse nutritional conditions, when compared to reference populations. These limitations may lead to worse growth and greater occurrence of possible complications that can impair their quality of life.

Prescription audit in a paediatric sickle cell clinic in South-West Nigeria: A cross-sectional retrospective study

Background

Sickle cell disease (SCD) is a genetic haematological disorder that affects millions of people around the world especially people of African heritage. The treatment of the symptoms of SCD includes the use of analgesics, antibiotics, and anti-malarial drugs. Studying the pattern of drug prescription is a veritable tool for establishing the current practice and how it conforms to existing guidelines.

Objectives

The main objective of this study was to assess the pattern of drug prescription in children with sickle cell disease (SCD) attending the paediatric outpatients' clinic of a tertiary care centre in Ado-Ekiti, South-West Nigeria.

Methods

This was a cross-sectional retrospective study carried out using the medical records of all patients with SCD who attended the paediatric outpatient clinic of the teaching hospital between January 1 and December 31, 2014. The information retrieved from the case notes included the bio-demographic data, associated co-morbid conditions and the list of prescribed drugs.

Results

A total of 202 SCD patients aged below 18 years were seen in the clinic during the study period with males accounting for 61.9% of them. The mean age of all patients was 6.9 ±3.8 yrs. A total of 1015 medications were prescribed during the study period giving a mean of 5.02 ± 1.9. Vitamins/micronutrients, anti-malarial drugs, antibiotics and analgesics accounted for 41.4%, 29.0%, 15.7% and 13.9% of all prescribed drugs respectively. Antibiotics from the penicillin group were the most commonly prescribed followed by macrolides and cephalosporins while Ibuprofen (60.3%) and Acetaminophen (32.6%) were the commonly prescribed analgesics.

Conclusion

High rate of antibiotic prescription, low use of opioid analgesics and non-prescription of prophylactic penicillin/pneumococcal vaccination were the main findings in this study. There is need for the introduction of standard treatment protocols for this group of patients.

Genetic determinants and stroke in children with sickle cell disease

OBJECTIVE

To verify genetic determinants associated with stroke in children with sickle cell disease (SCD).

METHODS

Prospective cohort with 110 children submitted to neonatal screening by the Neonatal Screening Program, between 1998 and 2007, with SCD diagnosis, followed at a regional reference public service for hemoglobinopathies. The analyzed variables were type of hemoglobinopathy, gender, coexistence with alpha thalassemia (α-thal), haplotypes of the beta globin chain cluster, and stroke. The final analysis was conducted with 66 children with sickle cell anemia (SCA), using the chi-squared test in the program SPSS^® version 14.0.

RESULTS

Among children with SCD, 60% had SCA. The prevalence of coexistence with α-thal was 30.3% and the Bantu haplotype (CAR) was identified in 89.2%. The incidence of stroke was significantly higher in those with SCA (27.3% vs. 2.3%; p=0.001) and males (24.1% vs. 9.6%; p=0.044). The presence of α-thal (p=0.196), the CAR haplotype (p=0.543), and socioeconomic factors were not statistically significant in association with the occurrence of stroke.

CONCLUSION

There is a high incidence of stroke in male children and in children with SCA. Coexistence with α-thal and haplotypes of the beta globin chain cluster did not show any significant association with stroke. The heterogeneity between previously evaluated populations, the non-reproducibility between studies, and the need to identify factors associated with stroke in patients with SCA indicate the necessity of conducting further research to demonstrate the relevance of genetic factors in stroke related to SCD.

Complications of sickle cell anaemia in children in Northwestern Tanzania

OBJECTIVES

Tanzania has the third highest birth rate of sickle cell anaemia (SCA) in Africa, but few studies describe severity of complications or available treatments, especially in Northwest Tanzania around Lake Victoria where the sickle gene is most prevalent. This is a report of the spectrum of clinical disease and range of interventions available at Bugando Medical Centre (Bugando) in Northwest Tanzania in Africa.

METHODS

A cross-sectional study was carried out in Bugando between 1 August 2012 and 30 September 2012. Children (<15 years old) with SCA attending Bugando were sequentially enrolled. A trained research assistant completed a Swahili questionnaire with the parent or guardian of each participant concerning demographic information, clinical features of disease, and treatments received.

RESULTS

Among the 124 participants enrolled, the median age was 6 years (interquartile range [IQR] 4-8.5), and only 13 (10.5%) were < 3 years old. Almost all participants (97.6%) had a prior history of a vaso-occlusive episode, 83 (66.9%) had prior acute chest syndrome, and 21 (16.9%) had prior stroke. In the preceding 12 months, 120 (96.8%) had been hospitalized, and a vaso-occlusive episode was the most common reason for hospitalization (35.5%). Prescriptions for folic acid (92.7%) and malaria prophylaxis (84.7%) were common, but only one had received a pneumococcal vaccine, and none had received hydroxyurea or prophylactic penicillin.

CONCLUSION

Children with SCA receiving care in Tanzania are diagnosed late, hospitalized frequently, and have severe complications. Opportunities exist to improve care through wider access to screening and diagnosis as well as better coordination of comprehensive care.